basic of &ldquoaroma delivery systems&rdquo is one or more aroma compounds are encapsulated in gelatin capsules that are broken when a drinks container is opened. the capsules are with a secondary protective layer to provide moisture and oxygen barrier. inventors are naijie zhang and peter given. consumers related fresh aroma with the freshness of products like juices and coffee. brands also want their customers to smell the product but since products are packed with safety or barrier films, it is difficult to provide the same. solution to this problem are available in form of &ldquoscratch and sniff strips or overwraps on outer packaging but once used, they effect the overall appearance of the pack. in this technology, once the bottle is opened, capsule placed at interface of bottle and cap gets ruptured and the aroma material is release volatile compounds. secondary protective layer could be made of polysaccharide, natural wax or biopolymer or their combinations. for more information on this patent refer link pepsico patent available at goo.glqdhd8a